Heater



2 Sheets Sheet 1.

(No Model.)

R. G. HOLBROOK.

HEATER.

No. 593,659. Patented Nov. 16,1897.

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Sheet 2.

2 Sheets (No Model.)

R. G. HO-LBROOK.

HEATER.

No. 593,659. Patented NOV. 16,1897.

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WITNESSES:

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y under or over the space between two ilues of rior to the heater thuscreated and also disuitable water-inlet pipe, which can be the re-UNITED STATES ROBERT G. HOLBROOK, OF OSWEGO, NEW YORK.4

HEATER.

SPECIFICATION forming part of Letters Patent No. 593,6559, datedNovember 16, 1897..

Application iiled July l2, 1897.'

To all whom t may oon/cern:

Be it known that I, ROBERT G. HOLBROOK, of Oswego, in the countyv ofOswego, in the State of New York, have invented new and usefulImprovements in Heaters, of which the following, taken in connectionwith the ac-' companying drawings, is a full, clear, and eX- actdescription. l v

My invention relates to heaters or boilers for steam or hot-waterheating.

My object is to produce a boiler built up of hollow sections, eachsection vcomprising a hollow body, here shown as rectangular in form,the sides being interiorly connected to create a continuous openingwithin and around said body and through its sides vand corners, cachsection being also provided in its corners with suitable openings invertical alinement, whereby when the sections are mounted one uponanother their corner-openings coincideand create vertical luesinterectly and interiorly connect the chambers of the respectivesections at the corners, permitting free circulation vertically from onesection to another and horizontally through the sides of each. Thesections for that part of the boiler above the iire-box andcombustionchamber are provided with transverse horizontal ilueslconnecting two opposite sides interiorly, the flues of two adjacentsections being staggered or set so that each iiue will be the adjoiningsection. The lower sections, without transverse fines, create awater-leg around the iire-boX subdivided horizontally, and at the sametime having the subdivisions vertically connected. The bottom of thelowermost section and the top of theuppermost section are made solid. Asuitable ash-pit is also provided, which supports the superstructure andgrate. The sections are secured together by dry bolts through theircorners. A

turn-pipe of a hot-water system, is suitably connected to the lowermostsection, and a suitable discharge-pipe for hot water or steam issuitably connected to the uppermost section. It is constructed asfollows, reference being had to the accompanying drawings, in which-Figure 1 is a front elevation of the heater.

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Fig. 2 is a vertical section thereof on the dotted line in Fig. l.. Fig.3 is a top plan of a section provided with iiues. Fig. 4 is a horizontalsection thereof. Fig. 5 is a vertical section thereof on the dotted linein Fig. 3.

The boiler consists of superposed sections 2 3 4, atop 5, smoke-pipe 6,and securing-bolts 7 through the corners o f the sections. The section2, comprising a base and ash-pit combined, consists of suitable sidewalls and an inward horizontal iiange 8 upon each wall and is providedwith a suitable door 9, and 10 is'a suitable grate suitably mountedtherein. The sections 3, comprising the fire-box 11 ,each consist ofsuitable vertical sides 12 and a top and bottom 13, integral therewith,creating a chamber 14, continuous around said section. Each section isprovided in the corners with suitable Yopenings 15, opposite each otheror in vertical alinement, whereby vertical iiues are created whichvertically connect the several sections and to which each section islaterally connected at each corner.'V Part of the lower sections areconstructed to create a fuelfeed opening 16, closed by a suitable door17 and asthis openingis through the waterchamber in two of the sectionsconnections 18 are created above and below the opening connectingtheparts of said chamber on each side of said opening, through which thewater circulates from one side to the other. The sections 4 areconstructed like the sections 3, excepting that they are provided withtransverse fiues 19, opening at their ends into the water-chamber. Thesefines are usually arranged or t-he sections are erected so as to bestaggered or in alternation, as shown. They are preferably egg-shaped incross-section and of an exterior height equal-to the height- It will beseen that the sections can respectively be cast in one piece, with orwithout the k IOO fines g that the upper sections can be all alike, withthe flucs at one side, so to speak, substantially as shown, and then byturning a section half-way around its iiues will be staggered or inalternation; that the lower sections constitute water-leg walls aroundthe fire-box; that they are connected vertically at the corners bysectional fines, and that their water-chambers are laterally connectedto and by said fines; that the upper sections and their water-chambersare connected vertically and laterally by vertical sectional iues invertical alinement with the water-leg vertical iiues, and theirwater-chambers are also connected by transverse horizontal fines,whereby, first, free vertical and lateral circulation is establishedthrough the water-leg sections, and, secondly, free vertical, lateral,and transverse circulation is established through each upper section andfrom one section to another, and that the several sections are allsecured together by dry bolts in that the bolts do not pass through anywater flues or chambers.

The egg-shaped fines are preferable because they increase the area ofthe heating-surface and because they are more readily cleaned exteriorlyby opening the doors 23 in the top 5 and shoveling in some gravel,which, rattling down, thoroughly cleans off the soot and dust which mayhave accumulated thereon.

Having described my invention, what I claim, and desire to secure byLetters Patent, is-

l. A boiler comprising a base and sections erected thereon and upon eachother and all connected at their corners byvopenings creating continuousvertical fines and having internal water-chambers connected to eachother and to'said ilues and connected vertically by said continuous luesand in the lower part of the boiler constituting sectional water-legwalls around the fire-box, the water-chambers in the upper sectionsbeing also connected horizontally by transverse [lues whereby freelateral, vertical and transverse circulation through and between saidsections is created.

2. A boiler comprising a base and hollow sections erected thereon andupon each other, each provided with a continuous water-chamber aroundit, and having multiple internal openings in vertical alinement creatingmultiple continuous sectional vertical fiues connecting saidwater-chambers to each other and to the adjoining section or sections,the lower sections creating sectional and connected water-legs aroundthe fire-box, and the upper sections being also provided with transversehorizontal lues connecting waterchambers on opposite sides, whereby freevertical, lateral and transverse circulation is created in or throughsaid sections and from one said section to another.

In witness whereof I have hereunto set my hand this 8th day of July,1897.

y ROBERT G. HOLBROOK.

In presence ot-- J. Il. GILL, CHARLES A. BURNS.

